| STYLE DESIGNATOR | ANGLE | 
| VALVE OPERATION METHOD | AUTOMATIC | 
| MATERIAL | COPPER ALLOY 922 BODY | 
|  | STEEL FLOW CONTROL DEVICE | 
|  | STEEL SEAT | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-390,ALLOY D4/D FED SPEC SINGLE MATERIAL RESPONSE BODY | 
|  | ASTM A276,TYPE E303 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE | 
|  | ASTM A276,TYPE E303 ASSN STD SINGLE MATERIAL RESPONSE SEAT | 
| FLOW CONTROL DEVICE | DISK | 
| MEDIA FOR WHICH DESIGNED | WATER, FRESH SINGLE RESPONSE | 
| MAXIMUM OPERATING PRESSURE | 400.0 POUNDS PER SQUARE INCH SINGLE RESPONSE | 
| MAXIMUM OPERATING TEMP | 150.0 DEG FAHRENHEIT SINGLE RESPONSE | 
| VALVE DISCHARGE FLOW RATE | 21.5 GALLONS PER MINUTE | 
| CONNECTION TYPE | UNTHREADED INTERNAL TUBE ALL ENDS | 
| CONNECTION STYLE | SOCKET (TUBE) ALL ENDS | 
| NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 0.500 INCHES ALL ENDS | 
| RENEWABLE SEAT RING TYPE | THREADED | 
| BONNET TYPE | INSIDE SPRING | 
| BONNET ATTACHMENT METHOD | THREADED | 
| DISK LOADING METHOD | SPRING | 
| OPENING PRESSURE SETTING | 72.0 POUNDS PER SQUARE INCH | 
| ADJUSTABLE PRESSURE RANGE | 46.0 TO 72.0 POUNDS PER SQUARE INCH | 
| FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE | 
| TEST DATA DOCUMENT | 81349-MIL-S-901 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). | 
| NONDEFINITIVE SPEC/STD DATA | B GRADE | 
| SPEC/STD CONTROLLING DATA |  | 
| MANUFACTURERS CODE | 81349 | 
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MIL-DTL-24332 |